On selling 13 balls at Rs. 720, there is a loss equal to the cost price of 5 balls.

On selling 13 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

Quiz

Answer/Solution

s. 90

Steps/Work

(C.P. of 13 balls) - (S.P. of 13 balls) = (C.P. of 5 balls)
C.P. of 8 balls = S.P. of 13 balls = Rs.720.
C.P. of 1 ball = Rs.720/8 = Rs.90.
Answer: Option E

Gain Calculator / Auto Solver

On selling balls at $, there is a loss equal to the cost price of balls. The cost price of a ball is :

Calculated Answer

90

Step by Step Solution

In order to solve problem, you must evaluate n1 / (n0 - n2).

n0 =13
n1 =720
n2 =5